$ git clone -n https://src.fedoraproject.org/rpms/highway.git /var/lib/mock/f38-build-side-42-init-devel-1245373-30640/root/chroot_tmpdir/scmroot/highway
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1245373-30640/root/chroot_tmpdir/scmroot/highway'...
$ git fetch origin 290631f8656a29f54ef1b228968b1612d3015eec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/highway
 * [new ref]         290631f8656a29f54ef1b228968b1612d3015eec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 290631f Update to version 1.0.7; Fixes RHBZ#2231570